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Senedd project timeline

1998 - 2001



The Secretary of State for Wales announced the location for a new debating Chamber for the National Assembly for Wales, and an international competition to design the building was won by Richard Rogers.




A fundamental review of the building project was held, and an invitation to tender issued for the revised design and build contract.




The year began with work on the plenum slab and supporting walls; by the end of the year the stunning roof was raised and the Senedd’s form was taking shape.




Building work was completed, and the Senedd welcomed its first visitors and held its first debates.






A revised design was officially approved in early 2001, and groundwork begins before work on site was halted.








The Taylor Woodrow consortium won the contract to design and build the Senedd, and work on the building’s foundations was started




The Senedd’s large windows were fitted, and landscaping work continued on the surrounding area. Installation work for the IT and broadcasting equipment began to turn the Senedd into one of the most advanced parliamentary buildings in the world.

Opening the Senedd



The Senedd was officially opened on March 1st, 2006 – St David’s day. Find out more about the day in this section.



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